$QUNR is one of biggest losers #stocks today. read more:

Qunar Cayman Islands Limited (symbol: QUNR) was one of the worst losers of
the trading day today (2016-02-01), losing -8.71%. The number of shares
that changed hands was 1,368,395, or about 1 times the average daily volume
in the stock.
The closing price was $40.24, amounting to a market cap of $5,330,000,000,
about -28.05% off the highest price in the last 12 months. The stock has
been trading at a range between $26.52 and $55.93.
QUNR is in the Business Services industry, part of the Miscellaneous
sector. It first went public in 2013.